本文整理汇总了C++中FDT_CHECK_HEADER函数的典型用法代码示例。如果您正苦于以下问题:C++ FDT_CHECK_HEADER函数的具体用法?C++ FDT_CHECK_HEADER怎么用?C++ FDT_CHECK_HEADER使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了FDT_CHECK_HEADER函数的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: fdt_node_offset_by_prop_value
int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
const char *propname,
const void *propval, int proplen)
{
int offset;
const void *val;
int len;
FDT_CHECK_HEADER(fdt);
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_getprop(), then if that didn't
* find what we want, we scan over them again making our way
* to the next node. Still it's the easiest to implement
* approach; performance can come later. */
for (offset = fdt_next_node(fdt, startoffset, NULL);
offset >= 0;
offset = fdt_next_node(fdt, offset, NULL)) {
val = fdt_getprop(fdt, offset, propname, &len);
if (val && (len == proplen)
&& (memcmp(val, propval, len) == 0))
return offset;
}
return offset; /* error from fdt_next_node() */
}
开发者ID:hsienchieh,项目名称:uefilab,代码行数:26,代码来源:fdt_ro.c
示例2: fdt_get_mem_rsv
int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)
{
FDT_CHECK_HEADER(fdt);
*address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);
*size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);
return 0;
}
开发者ID:hsienchieh,项目名称:uefilab,代码行数:7,代码来源:fdt_ro.c
示例3: fdt_path_offset
int fdt_path_offset(const void *fdt, const char *path)
{
const char *end = path + strlen(path);
const char *p = path;
int offset = 0;
FDT_CHECK_HEADER(fdt);
if (*path != '/')
return -FDT_ERR_BADPATH;
while (*p) {
const char *q;
while (*p == '/')
p++;
if (! *p)
return offset;
q = strchr(p, '/');
if (! q)
q = end;
offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
if (offset < 0)
return offset;
p = q;
}
return offset;
}
开发者ID:bandwidthcrunch,项目名称:xvisor,代码行数:31,代码来源:fdt_ro.c
示例4: fdt_supernode_atdepth_offset
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
int supernodedepth, int *nodedepth)
{
int offset, depth;
int supernodeoffset = -FDT_ERR_INTERNAL;
FDT_CHECK_HEADER(fdt);
if (supernodedepth < 0)
return -FDT_ERR_NOTFOUND;
for (offset = 0, depth = 0;
(offset >= 0) && (offset <= nodeoffset);
offset = fdt_next_node(fdt, offset, &depth)) {
if (depth == supernodedepth)
supernodeoffset = offset;
if (offset == nodeoffset) {
if (nodedepth)
*nodedepth = depth;
if (supernodedepth > depth)
return -FDT_ERR_NOTFOUND;
else
return supernodeoffset;
}
}
if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
return -FDT_ERR_BADOFFSET;
else if (offset == -FDT_ERR_BADOFFSET)
return -FDT_ERR_BADSTRUCTURE;
return offset; /* error from fdt_next_node() */
}
开发者ID:hsienchieh,项目名称:uefilab,代码行数:35,代码来源:fdt_ro.c
示例5: fdt_subnode_offset_namelen
/*
* fdt에서 offset를 기준으로 하위 노드를 탐색
* (참고로 꼭 root가 아닐수 있음 즉, offset는 상대적인 위치임)
* 참고: http://iamroot.org/wiki/lib/exe/fetch.php?media=%EC%8A%A4%ED%84%B0%EB%94%94:dtb_structure.png
* +------+-------------------------+
* | Node | FDT_BEGIN_NODE |
* | +-------------------------+
* | | Node Name |
* | +----------+--------------+
* | | Property | FDT_PROP |
* | | +--------------+
* | | | Value Length |
* | | +--------------+
* | | | Name Offset |
* | | +--------------+
* | | | Value |
* +------+----------+--------------+
*/
int fdt_subnode_offset_namelen(const void *fdt, int offset,
const char *name, int namelen)
{
int depth;
FDT_CHECK_HEADER(fdt);
/*
* root부터 시작해서(depth=0) node를 탐색
* 현재 탐색중인 node의 depth를 받아와서
*/
for (depth = 0;
(offset >= 0) && (depth >= 0);
offset = fdt_next_node(fdt, offset, &depth))
/*
* root 입장으로 봤을때 depth가 1인 node들 중에서
* 찾고자 하는 node가 맞다면 node offset을 리턴
*/
if ((depth == 1)
&& _fdt_nodename_eq(fdt, offset, name, namelen))
return offset;
// 탐색했더니 찾고자 하는 node가 없는 상황
if (depth < 0)
return -FDT_ERR_NOTFOUND;
return offset; /* error */
}
开发者ID:fehead,项目名称:linux_m,代码行数:46,代码来源:fdt_ro.c
示例6: fdt_get_path
int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)
{
int pdepth = 0, p = 0;
int offset, depth, namelen;
const char *name;
FDT_CHECK_HEADER(fdt);
if (buflen < 2)
return -FDT_ERR_NOSPACE;
for (offset = 0, depth = 0;
(offset >= 0) && (offset <= nodeoffset);
offset = fdt_next_node(fdt, offset, &depth)) {
if (pdepth < depth)
continue; /* overflowed buffer */
while (pdepth > depth) {
do {
p--;
} while (buf[p-1] != '/');
pdepth--;
}
name = fdt_get_name(fdt, offset, &namelen);
if (!name)
return namelen;
if ((p + namelen + 1) <= buflen) {
memcpy(buf + p, name, namelen);
p += namelen;
buf[p++] = '/';
pdepth++;
}
if (offset == nodeoffset) {
if (pdepth < (depth + 1))
return -FDT_ERR_NOSPACE;
if (p > 1) /* special case so that root path is "/", not "" */
p--;
buf[p] = '\0';
return p;
}
}
if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
return -FDT_ERR_BADOFFSET;
else if (offset == -FDT_ERR_BADOFFSET)
return -FDT_ERR_BADSTRUCTURE;
return offset; /* error from fdt_next_node() */
}
开发者ID:bandwidthcrunch,项目名称:xvisor,代码行数:52,代码来源:fdt_ro.c
示例7: fdt_path_offset
int fdt_path_offset(const void *fdt, const char *path)
{
const char *end = path + strlen(path);
const char *p = path;
int offset = 0;
FDT_CHECK_HEADER(fdt);
/* see if we have an alias */
if (*path != '/') {
const char *q;
int aliasoffset = fdt_path_offset(fdt, "/aliases");
if (aliasoffset < 0)
return -FDT_ERR_BADPATH;
q = strchr(path, '/');
if (!q)
q = end;
p = fdt_getprop_namelen(fdt, aliasoffset, path, q - p, NULL);
if (!p)
return -FDT_ERR_BADPATH;
offset = fdt_path_offset(fdt, p);
p = q;
}
while (*p) {
const char *q;
while (*p == '/')
p++;
if (! *p)
return offset;
q = strchr(p, '/');
if (! q)
q = end;
offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
if (offset < 0)
return offset;
p = q;
}
return offset;
}
开发者ID:Februar0218,项目名称:u-boot-omap-pandora,代码行数:48,代码来源:fdt_ro.c
示例8: fdt_path_offset_namelen
int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen)
{
const char *end = path + namelen;
const char *p = path;
int offset = 0;
FDT_CHECK_HEADER(fdt);
/* see if we have an alias */
if (*path != '/') {
const char *q = fdt_path_next_separator(path, namelen);
if (!q)
q = end;
p = fdt_get_alias_namelen(fdt, p, q - p);
if (!p)
return -FDT_ERR_BADPATH;
offset = fdt_path_offset(fdt, p);
p = q;
}
while (*p && (p < end)) {
const char *q;
while (*p == '/')
p++;
if (*p == '\0' || *p == ':')
return offset;
q = fdt_path_next_separator(p, end - p);
if (!q)
q = end;
offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
if (offset < 0)
return offset;
p = q;
}
return offset;
}
开发者ID:Noltari,项目名称:u-boot,代码行数:45,代码来源:fdt_ro.c
示例9: fdt_subnode_offset_namelen
int fdt_subnode_offset_namelen(const void *fdt, int offset,
const char *name, int namelen)
{
int depth;
FDT_CHECK_HEADER(fdt);
for (depth = 0;
(offset >= 0) && (depth >= 0);
offset = fdt_next_node(fdt, offset, &depth))
if ((depth == 1)
&& _fdt_nodename_eq(fdt, offset, name, namelen))
return offset;
if (depth < 0)
return -FDT_ERR_NOTFOUND;
return offset; /* error */
}
开发者ID:hsienchieh,项目名称:uefilab,代码行数:18,代码来源:fdt_ro.c
示例10: fdt_node_offset_by_compatible
int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
const char *compatible)
{
int offset, err;
FDT_CHECK_HEADER(fdt);
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_node_check_compatible(), then if
* that didn't find what we want, we scan over them again
* making our way to the next node. Still it's the easiest to
* implement approach; performance can come later. */
for (offset = fdt_next_node(fdt, startoffset, NULL);
offset >= 0; offset = fdt_next_node(fdt, offset, NULL)) {
err = fdt_node_check_compatible(fdt, offset, compatible);
if ((err < 0) && (err != -FDT_ERR_NOTFOUND))
return err;
else if (err == 0)
return offset;
}
return offset; /* error from fdt_next_node() */
}
开发者ID:BadrElh,项目名称:open-amp,代码行数:23,代码来源:fdt_ro.c
示例11: fdt_node_offset_by_phandle
int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
{
int offset;
if ((phandle == 0) || (phandle == -1))
return -FDT_ERR_BADPHANDLE;
FDT_CHECK_HEADER(fdt);
/* FIXME: The algorithm here is pretty horrible: we
* potentially scan each property of a node in
* fdt_get_phandle(), then if that didn't find what
* we want, we scan over them again making our way to the next
* node. Still it's the easiest to implement approach;
* performance can come later. */
for (offset = fdt_next_node(fdt, -1, NULL);
offset >= 0; offset = fdt_next_node(fdt, offset, NULL)) {
if (fdt_get_phandle(fdt, offset) == phandle)
return offset;
}
return offset; /* error from fdt_next_node() */
}
开发者ID:BadrElh,项目名称:open-amp,代码行数:23,代码来源:fdt_ro.c
示例12: fdt_path_offset
/*
* chosen {
* bootargs = "console=ttyS0,115200 ubi.mtd=4 root=ubi0:rootfs rootfstype=ubifs";
* };
* 호출: int offset = fdt_path_offset(fdt, "/chosen");
*/
int fdt_path_offset(const void *fdt, const char *path)
{
/*
* p : "chosen"의 시작 주소
* end : "chosen"의 끝 주소
*/
const char *end = path + strlen(path);
const char *p = path;
int offset = 0;
FDT_CHECK_HEADER(fdt);
/* see if we have an alias */
if (*path != '/') {
// path가 '/'로 시작하지 않으면 path내에서 '/' 위치 찾음
const char *q = strchr(path, '/');
// path내에 '/'가 없으면 끝 주소로 지정
if (!q)
q = end;
/*
* '/'로 시작하지 않았다면 alias라고 가정하고 원래 node명 탐색
* p: alias명
* q-p: alias 길이
*/
p = fdt_get_alias_namelen(fdt, p, q - p);
// alias도 아닌경우 에러 리턴
if (!p)
return -FDT_ERR_BADPATH;
offset = fdt_path_offset(fdt, p);
p = q;
}
/*
* "chosen"의 alias가 없으면 여기서 탐색
* 여기서는 node의 이름이 "chosen"인지 아닌지 탐색
*/
while (*p) {
const char *q;
// path내에서 '/'가 아닌곳까지 이동
while (*p == '/')
p++;
// path 끝까지 이동한 경우
if (! *p)
return offset;
// p를 기준으로 다음 '/' 위치까지 찾아서
q = strchr(p, '/');
// 다음 '/'가 없다면 path의 끝으로 지정
if (! q)
q = end;
// path에서 '/'로 split 해보면서
// 하위 node들중 해당 이름의 node가 있는지 탐색
offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
if (offset < 0)
return offset;
p = q;
}
return offset;
}
开发者ID:fehead,项目名称:linux_m,代码行数:72,代码来源:fdt_ro.c
注:本文中的FDT_CHECK_HEADER函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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